Graph Maker is a free online line graph creation tool that turns comma-separated X and Y values into customizable line charts with options for axis labels, scales, and grid lines, downloadable as PNG or JPG.
What is Graph Maker?
Graph Maker is a web-based line chart generator that requires no installation. It accepts user-provided numeric data (X and Y values as comma-separated lists) and outputs a polished line chart. The tool runs entirely in the browser, is developed by the team at graph-maker.online, and allows export in PNG or JPG formats.
Key Features
- Data Input: Enter X and Y values as comma-separated numbers.
- Customization: Adjust line tension (0 to 1), choose legend position (top/bottom/left/right), and set y-axis scale (linear/logarithmic/smooth).
- Grid and Points: Toggle display of X and Y axis grid lines and data points.
- Export: Download chart as PNG or JPG.
- Graph Elements: Set graph title, x-axis label, y-axis label, and option to start y-axis from zero.
- Multi-Line Charts: The site also offers a Multi Line Graph Maker for comparing multiple datasets.
Who is it for?
- Business Analysts: Track monthly sales, churn rates, or revenue trends.
- Marketers: Monitor website traffic, bounce rates, or campaign performance over time.
- Students: Plot experimental data or time series for academic projects.
- Content Creators: Generate shareable line charts for reports, presentations, or blog posts.
What can you do with Graph Maker?
- Revenue tracking: Input monthly recurring revenue (MRR) to visualize growth or seasonality.
- User engagement analysis: Plot daily active users over weeks to detect patterns.
- Comparative analysis: Use the linked Multi Line Graph Maker to overlay multiple time series (e.g., product lines).
How does Graph Maker work?
- Enter a graph title, x-axis label, and y-axis label.
- Input comma-separated X values and Y values.
- Adjust line tension, legend position, and y-axis scale (linear, logarithmic, or smooth).
- Optionally start y-axis from zero and show/hide grid lines and points.
- Download the finished chart as PNG or JPG.
The tool is completely free to use with no restrictions.









